Can someone show me step by step how to do this problem to have an example to go by so I will be able to do my other problems. Thanks Solve by substitution 4x-12y=5 -x+3y=-1 I know that you have solve one of the equations. I have picked …

Can someone PLEASE solve these for me 1.4x-12/4x 2.d+7/d^2-49 3.t^2-25/t^2+t-20 4.2x^2+6x+4/4x^2-12x-16 5.6-y/y^2-2y-24 You need to use parentheses to clarify the menaing of those expressions. For example, if you mean (4x-12)/4x instead …

Can some one show me how to use the Substitution method to solve the system of these equations. x + y = -4 x - y = 2 x + y = 10 y = x + 8 on the first set. Solve for either x or y in either equation, then put that value into the other …

I am having difficulties trying to do rational expressions. I have to use the words Domain, Excluded Value, Set, Factor, and Real Numbers to show how I got the answer. Can someone please help me solve this one?

Michaela is solving rational equations. A. What is the solution set of the equation ... x^2-7x+12 (all over or divided by) x^2+x-12 both equal to 3. What I did first was factor both equations geting (x-4) on the top and (x+4) on the …